Thermablaster GLDF24R-VF Operating instructions

Brand: Thermablaster

Model: GLDF24R-VF

Category: Fireplaces

Type: Operating instructions

WARNING: Do not attempt to access or change the setting of the fuel selection means.

The installer shall replace the access cover before completing the installation and operating this

appliance.

Change of the selector setting to other than the fuel type specified at the time of installation could

damage this appliance and render it inoperable.

Access to and adjustment of the fuel selection means must only be performed by a qualified

service person when connecting this appliance to a specified fuel supply at the time of installation.

Questions,problems? Before returning to your retailer, call our customer service department at

1-877-670-8428, 9:00 am - 6:00 pm EST, Monday through friday or email service@thermablaster.com

This appliance may be installed in an aftermarket, permanently located, manufactured (mobile) home,

where not prohibited by local codes. This appliance is only for use with propane or natural gas. This

appliance is equipped with a simple means to switch between propane and natural gas in dual fuel

models only. Field conversion by any other means including the use of a kit is not permitted.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed.

Provisions for adequate combustion and ventilation air must be provided. Refer to Air for

Combustion and Ventilation section on page 8 of this manual.

Warranty is void if not professionally installed.

-- Installation and service must be performed by a qualified installer, service

agency or the gas supplier.

• Do not try to light any appliance

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor’s phone. Follow the

gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

-- Do not store or use gasoline or other flammable vapors and liquid in vicinity

of this or any other appliance.

WARNING: IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED

EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY

DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.

CAUTION - FOR YOUR SAFETY

REECON NORTH AMERICA

2515 LIBERTY AVE.

1ST FLOOR

PITTSBURGH, PA 15222

WWW.THERMABLASTER.COM

Conforms to ANS Z21.11-2-2013. Gas-Fired Room Heater Volume II, Unvented Room Heater

24” VENT FREE

GAS LOG

MODEL: GLDF24R-VF

Version 1.2A November 2016

TABLE OF CONTENTS

About Us………………………….….….…1

Product Specifications……………………1

Important Safety Information…………….2

Product Features………………………….4

Installation Checklist……………………...5

Water Vapor……………………………….7

Air for Combustion…………………….….8

Determining Fresh Air Flow……………...9

Installation Considerations…………………11

Connecting to Gas Supply..........................17

Unit Operation……………………………….19

Care and Maintenance…...........................22

Troubleshooting…………...........................23

Illustrated Parts and Parts List...................26

Service Schedule, Registration

and Contact Information............................28

ABOUT US

We at Reecon strive to produce the highest quality Thermablaster heaters to warm our customers. We

feel that a heater should look as good as it operates and work without a fuss. That is why we have

developed our patent pending dual fuel heating system, which allows the use of either liquid propane or

natural gas for some of our most popular products, without requiring any adjustments. Our product lines

consist of vent free gas wall heaters, a direct vent gas wall heater line, kerosene and propane forced air

heaters, electric industrial heaters, fireplace sets, as well as outdoor heating products. Through our

innovative product design and customer first mentality, we strive to provide the best heaters for all needs,

at a price that won’t break the bank.

PRODUCT SPECIFICATIONS

Model

GLDF24R-VF

Gas type

Using natural gas

Nominal Heat Input

40,000 Btu/hr

Minimum Inlet Supply Pressure (W.C.)

6”

Maximum Inlet Supply Pressure (W.C.)

9”

Manifold Pressure (W.C.)

5.2”

Nominal Input Pressure (W.C.)

7”

Gas type

Using propane gas

Nominal Heat Input

35,000 Btu/hr

Minimum Inlet Supply Pressure (W.C.)

8”

Maximum Inlet Supply Pressure (W.C.)

14”

Manifold Pressure (W.C.)

6”

Nominal Input Pressure (W.C.)

11”

Ignition

Automatic Ignition

Package Dimension (H×W×D)

16.93”x26.57”x17.32”

Heater Dimension (HxWxD)

15.70”x24”x12”

IMPORTANT SAFETY INFORMATION

IMPORTANT: Read this owner’s manual

carefully and completely before trying to

assemble, operate, or service this heater.

Improper use of this heater can cause serious

injury or death from burns, fire, explosion,

electrical shock, and carbon monoxide poisoning.

Only a qualified installer, service agent, or local

gas supplier may install and service this product.

WARNING: Do not store or use gasoline

or other flammable vapors and liquids in the

vicinity of this or any other appliance.

CARBON MONOXIDE POISONING: Early signs

of carbon monoxide poisoning resemble the flu

with headache, dizziness and/or nausea. If you

have these signs, heater may not be working

properly. Get fresh air at once! Have heater

serviced. Some people - pregnant women,

persons with heart or lung disease, anemia,

those under the influence of alcohol, those at

high altitude - are more affected by carbon

monoxide than others.

Natural and Propane /LP Gas: Natural and

Propane/LP gas are odorless. An odor-producing

agent is added to the gas. The odor helps you

detect a gas leak. However, the odor added to

the gas can fade. Gas may be present even

though no odor exists.

WARNING: Any change to this heater or its

controls can be dangerous.

WARNING: Do not use any accessories

not approved for use with this heater.

WARNING: Carefully supervise young

children when they are in the room with the

heater.

WARNING: Make sure fireplace screen

must be in place when the appliance is operating

and, unless other provisions for combustion air

are provided, the screen shall have an opening(s)

of introduction of combustion air.

WARNING: Keep the appliance area clear

and free from combustible materials, gasoline,

and other flammable vapors and liquids.

WARNING: Due to high temperatures, the

appliance should be located out of traffic and

away from furniture and draperies.

WARNING: Keep children and adults away

from hot surfaces to avoid burns or clothing

ignition. Heater will remain hot for a time after

shutoff. Allow surfaces to cool before touching.

WARNING: Do not place clothing or other

flammable material on or near the appliance.

Never place any objects in the heater.

WARNING: Failure to keep the primary air

opening(s) of the burner(s) clean may result in

sooting and property damage.

WARNING: Do not allow fans to blow

directly towards the heater. Avoid any drafts that

alter burner flame patterns.

WARNING: Do not use a blower insert,

heat exchanger insert or other accessory not

approved for use with this heater.

WARNING: Failure to position the parts in

accordance with these diagrams or failure to use

only parts specifically approve with this heater

may result in property damage or personal injury.

WARNING: Before installing in a solid-fuel

burning fireplace, the chimney flue and firebox

must be cleaned of soot, creosote, ashes and

loose paint by a qualified chimney cleaner.

Solid-fuel shall not be burned in a fireplace in

which an unvented room heater is installed.

WARNING: Any glass doors shall be fully

opened when the appliance is in operation

CAUTION: Two gas line installations at the same

time are prohibited. The access plate to the

switching means shall not be opened while the

heater is in operation.

WARNING: This appliance is for installation

in a solid-fuel burning masonry or UL 127 factory

build fireplace or in a listed vent less firebox

enclosure. It has been design certifies for these

installations. Exceptions: DO NOT install

appliance in a factory build fireplace that includes

instructions stating it has not been tested or

should not be used with unvented gas logs.

1. This heater shall not be installed in a room or

space unless the required volume of indoor

combustion air is provided by the method

described in the National Fuel Gas Code, ANSI

Z223.1/NFPA 54, the International Fuel Gas

Code, or applicable local codes.

2. Do not place Propane/LP supply tank(s) inside

any structure. Propane/LP supply tank(s) must

be placed outdoors.

3. This heater shall not be installed in the place

which the strong wind would shut down the

appliance.

Air ducts and/or ash dumps in the fireplaces shall

be permanently closed at time of appliance

installation.

4. This heater needs fresh air ventilation to run

properly. This heater has an Oxygen Depletion

Sensing (ODS) safety shutoff system. The ODS

shuts down the heater if not enough fresh air is

available. See Air for Combustion and Ventilation,

page 8. If heater keeps shutting off, see

troubleshooting.

5. Keep all air openings in front and bottom of

heater clear and free of debris. This will ensure

enough air for proper combustion.

6. If heater shuts off, do not relight until you have

provided fresh air from outside. If heater keeps

shutting off, have it serviced.

7. Do not run heater where flammable liquids or

vapors are used or stored under dusty

conditions.

8. Before using furniture polish, wax, carpet

cleaner, or similar products, turn heater off. If

heated, the vapors from these products may

create a white powder residue within burner box

or on adjacent walls or furniture.

9. Always run heater with control knob at

PILOT/IGN, LOW or HIGH locked positions.

Never set control knob between locked positions,

otherwise poor combustion and higher levels of

carbon monoxide may be resulted.

10. Do not use this room heater if any part has

been under water. Immediately call a qualified

service technician to inspect the room heater and

to replace any part of the control system and any

gas control which has been under water.

11. Turn off and let heater cool down before

servicing. Only a qualified service person should

service and repair heater.

12. Periodic visual check of pilot and burner

flame, with pictorial sketches or drawings.

13. The appliance must be isolated from the gas

supply piping system by closing its equipment

shut-off valve during any pressure testing of the

gas supply piping system at test pressures equal

to or less than 1/2 psi (3.5 kPa).

Important Note:

 An unvented room heater having an input

rating of more than 10,000 Btu/hr (2,931

W) shall not be installed in a bedroom or

bathroom; or

 An unvented room heater having an input

rating of more than 6000 Btu/hr (1,758 W)

shall not be installed in a bathroom.

QUALIFIED INSTALLING AGENCY

Only a qualified agency should install and replace gas piping, gas utilization equipment or accessories,

repair and service the heater. The term “qualified agency” means any individual, firm, corporation, or

company that either in person or through a representative is engaged in and is responsible for:

a) Installing, testing, or replacing gas piping or

b) Connecting, installing, testing, repairing, or servicing equipment; that is experienced in such work;

that is familiar with all precautions required; and that has complied with all the requirement of the

authority having jurisdiction.

PRODUCT FEATURES

SAFETY PILOT

This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/pilot

shuts off the heater if there is not enough fresh air.

AUTOMATIC IGNITION SYSTEM

This heater is equipped with a PCB controlled automatic ignition system. No AC power supply required.

Battery should be periodically checked and replaced accordingly.

GAS OPTIONS CAPABLE (Dual Fuel Models Only) (Models that start with GLDF)

If you have the dual fuel model, your heater is equipped to operate on either propane or natural gas. The

heater will automatically identify your gas source without any manual changes.

THERMOSTATIC CONTROL

These heaters have a control valve with a wireless remote thermostat. This results in the greatest heater

comfort and may result in lower gas bills.

LOCAL CODES

Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest

edition of The National Fuel Gas Code, ANSI Z223.1/ NFPA 54

INSTALLATION CHECKLIST

Share this checklist with your professional installer

 Manifold Pressure and Nominal Inlet Pressure for appropriate gas type

o Using Natural Gas:

 Minimum Inlet Pressure (W.C): 6”

 Manifold Pressure (W.C.): 5.2”

 Nominal Input Pressure (W.C.): 7”

o Using Propane Gas:

 Minimum Inlet Pressure (W.C): 8”

 Manifold Pressure (W.C.): 6”

 Nominal Input Pressure (W.C.): 11”

 Clearances

o 5” minimum from bottom of heater to Top Surface of Floor

o 16” Minimum from sides to of Heater

o 42” Minimum clearance from top surface of heater and up

 Connected to gas supply using a 3/8

inch UNF inlet connection to a ½ inch gas pipe

 Unit is placed in a room that is a minimum of 1150 square feet.

 Rechargeable AA batteries placed in heater & standard AA batteries placed in remote

 Adequate ventilation and fresh-air flow is appropriate for heater location

 Unit successfully tested

o Installed by:

 Company __________________________________________

 Installer __________________________________________

 Contact Info ________________________________________

 Date ______________________________________________

Note to installer: Ensure that you are referencing the product manual for full details on each of the

installation steps, warnings and considerations. This list is to be used to confirm the steps as you move

through the installation. Please leave this sheet with the user.

*Do not attempt any modifications, repairs or replacements on this unit without first discussing with

Thermablaster Technical Support. Doing so will void the product’s warranty. Professional Installation is

required by all local and National codes.

Unit is not to be used as a central heating system

Preparing for Installation

Before beginning assembly or operation of the product, make sure all parts are present. Compare parts

with package contents list and diagram above. If any part is missing or damaged, do not attempt to

assemble, install or operate the product. Contact customer service for replacement parts.

Before installing heater, make sure you have the items listed below:

Figure 1 - Vent-Free Gas log

Power

Burner OFF

Burner ON

Battery Cover

UNPACKING

1. Remove heater from carton.

2. Remove all protective packaging applied to heater for shipping.

3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you

purchased heater.

4. Remove thread protective cup on the gas inlet pipe underneath the heater.

5. Install the two 14500(3.7V) rechargeable batteries. Be sure battery has full capacity. Batteries must be

removed if the heater is not in use for an extended period of time.

Figure 2 – Battery Cover and Power Switch

WATER VAPOR: A BY-PRODUCT OF UNVENTED ROOM HEATERS

Water vapor is a by-product of gas combustion. An unvented room heater produces approximately one (1)

ounce (30 ml) of water for every 1,000 BTUs (0.3 KWs) of gas input per hour. Unvented room heaters are

recommended as supplemental heat (a room) rather than a primary heat source (an entire house). In

most supplemental heat applications, the water vapor does not create a problem. In most applications,

the water vapor enhances the low humidity atmosphere experienced during cold weather. The following

steps will help ensure that water vapor does not become a problem:

1. Be sure the heater is sized properly for the application, including ample combustion air and

circulation air.

2. If high humidity is experienced, a dehumidifier may be used to help lower the water vapor content

of the air.

3. Do not use an unvented room heater as the primary heat source.

AIR FOR COMBUSTION AND VENTILATION

WARNING: This heater shall not be

installed in a confined space or unusually

tight construction unless provisions are provided

for adequate combustion and ventilation air.

Read the following instructions to ensure proper

fresh air for this and other fuel-burning

appliances in your home.

Providing Adequate Ventilation

This heater shall not be installed in a room or

space unless the required volume of indoor

combustion air is provided by the method

described in the NATIONAL FUEL GAS CODE,

ANSI Z223.1/NFPA 54, the INTERNATIONAL

FUEL GAS CODE, or applicable local codes.

The following are excerpts from National Fuel

Gas Code, ANSI Z223.1/ NFPA 54. Air for

Combustion and Ventilation. All spaces in homes

fall into one of the three following ventilation

classifications:

1. Unusually Tight Construction

2. Unconfined Space

3. Confined Space

The information on the following pages will help

you classify your space and provide adequate

ventilation.

Confined and Unconfined Space

The National Fuel Gas Code, ANSI

Z223 .1/NFPA 54 defines a confined space as a

space whose volume is less than 50 cu. ft. per

1,000 BTU/hr (4.8 m3 per kw) of the aggregate

input rating of all appliances installed in that

space and an unconfined space as a space

whose volume is not less than 50 cubic feet per

1,000 BTU/hr (4.8 m3 per kw) of the aggregate

input rating of all appliances installed in that

space. Rooms connecting directly with the space

in which the appliances are installed, through

openings not furnished with doors, are

considered a part of the unconfined space.

This heater shall not be installed in a confined

space or unusually tight construction unless

provisions are provided for adequate combustion

and ventilation air. Adjoining rooms are

connecting only if there are odorless

passageways or ventilation grills between them.

Unusually Tight Construction

The air that leaks around doors and windows

may provide enough fresh air for combustion and

ventilation. However, in buildings of unusually

tight construction, you must provide additional

fresh air. Unusually tight construction is defined

as construction where:

a) Walls and ceilings exposed to the outside

atmosphere have a continuous water vapor

retarder with a rating of one perm (6×10-11kg

per pa-sec-m2) or less with openings gasket or

sealed and

b) Weather stripping has been added on

openable windows and on doors and

c) Caulking or sealants are applied to areas such

as joints around window and door frames,

between sole plates and floors, between wall

ceiling joints, between wall panels, at

penetrations for plumbing, electrical, and gas

lines, and at other openings.

If your home meets all of the three criteria above,

you must provide additional fresh air. See

“Ventilation Air from Outdoors”. If your home

does not meet all of the three criteria above,

proceed to “Determining Fresh-Air Flow for

Heater Location”.

DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION

Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in

which you will install heater plus any adjoining rooms with door less passageways or ventilation grills

between the rooms.

1. Determine the Volume of space in cubic feet

Length X Width X Height = ___________________ cu. Ft.

(Including adjoining rooms with door less passageways or ventilation grills between rooms)

Example: 24’ (L) X 16’ (W) 8’ (H) = 3,072 cu. Ft.

2. Multiply the volume of space by 20 BTU/Hr. to determine the maximum BTU/Hr. the space can

support.

Example: 3.072 cu. Ft. X 20 BTU/Hr. = 61,440 BTU/Hr.

(Maximum BTU/Hr. the room can support)

3. Add the BTU/Hr. of all the fuel burning appliances in the space

Vent Free Heater _________________BTU/Hr.

Gas Appliance #1_________________BTU/Hr.

Gas Appliance #2_________________BTU/Hr.

Example: Vent Free Heater 26,000 BTU/Hr.

Gas Appliance #1 35,000 BTU/Hr.

Total 61,000 BTU/Hr.

The space in the prior example is a confined space because the actual BTU/hr used is more than the

maximum BTU/hr the space can support.

You must provide additional fresh air. Your options are as follows:

Rework worksheet, adding the space of an adjoining room. If the extra space provides an unconfined

space:

a) Remove door to adjoining room or add ventilation grills between rooms. See “Ventilation Air

from Inside Building” on next page.

b) Vent room directly to the outdoors. See the following “Ventilation Air from Outdoors” for details.

c) Install a lower BTU/hr heater if lower BTU/hr size makes room unconfined. If the actual BTU/hr

used is less than the maximum BTU/hr the space can support, the space is an unconfined

space. You will need no additional fresh air ventilation.

WARNING: If the area in which the heater may be operated is smaller than that defined as an

unconfined space, or if the building is of unusually tight construction, provide adequate combustion

and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1/NFPA

54, Air for Combustion and Ventilation, or applicable local codes.

WARNING: If the area in which the heater may be operated does not meet the required volume for

indoor combustion air, combustion and ventilation air shall be provided by one of the methods described

in the National Fuel Gas Code, ANSI Z223.1/NFPA 54, the International Fuel Gas Code, or applicable

local codes.

Ventilation Air from Inside Building

This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining

unconfined space, you must provide two permanent openings: one within 12 inches of the ceiling and one

within 12 inches of the floor on the wall connecting the two spaces (Figure 3). You can also remove the

door into adjoining room (see option 3, Figure 3). Follow the National Fuel Gas Code. ANSI Z223.1/NFPA

54, Air for Combustion and Ventilation for required size of ventilation grills or ducts.

Ventilation Air from Outdoors

Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one

within 12 inches of the ceiling and one within 12 inches of the floor. Connect these items directly to the

outdoors or spaces open to the outdoors. These spaces include attics and crawl spaces. Follow the

National Fuel Gas Code, ANSI Z223.1/ NFPA 54, Air for Combustion and Ventilation for required size of

ventilation grills or ducts.

IMPORTANT: Do not provide openings for inlet or outlet air into attic if attic has a

thermostat-controlled power vent. Heated air entering the attic will activate the power vent. Rework

worksheet, adding the space of the adjoining unconfined space. The combined spaces must have

enough fresh air to supply all appliances in both spaces.

Figure 3 - Ventilation Air from Inside Building

NOTE: Base not included. Not for use in bedrooms or bathrooms.

Figure 4 - Ventilation Air from Outdoors

INSTALLATION CONSIDERATIONS

This heater is intended for use as supplemental heat.

Use this heater along with your primary heating system. Do not install this heater as your primary heat

source. If you have a central heating system, you may run system’s circulating blower while using heater.

This will help circulate the heat throughout the house. In the event of a power outage, you can use this

heater as your primary heat source.

WARNING: A qualified service person must install heater. Follow all local codes.

WARNING: Never install the heater:

 in a recreational vehicle

 where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the

front, top, or sides of the heater

 in high traffic areas

 in windy or drafty areas

CAUTION: This heater creates warm air currents. These currents move heat to wall surfaces next

to heater. Installing heater next to vinyl or cloth wall coverings or operating heater where impurities (such

as tobacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.) in the air exist, may

cause walls to discolor.

IMPORTANT: Vent-free heaters add moisture to the air. Although this is beneficial, installing

heater in rooms without enough ventilation air may cause mildew to form too much moisture. See Air for

Combustion and Ventilation.

Check Gas Type

Be sure your gas supply is right for your heater. Otherwise,

call dealer where you bought the heater from for proper type

heater.

Clearances to Combustibles

Carefully follow the instructions below. This heater is a

freestanding floor seated unit.

WARNING: Maintain the minimum clearances shown

in Figure 5. If you can, provide greater clearances

from floor, ceiling, and joining wall.

Figure 5 – Minimum Clearance to Combustibles

The gas log heater must be installed at least 1 3/8” above any combustible flooring material, such as

carpeting or tile, which is closer than 14” to the base of the fireplace. The minimum distance must be

maintained from the top surface of carpeting, tile, etc. See Figure 6.

The gas log heater may be installed nearer to the floor if a minimum of 14” of noncombustible material

such as a slate or marble is installed between the base of the fire place and the combustible flooring. See

Figure 7.

When installing your log set as a vent free installation the damper clamp can be used to eliminate the

potential for odors when burning the logs for the first time.

Note: When the appliance is installed directly on carpeting, tile or other combustible material, other than

wood flooring, the appliance shall be installed on a metal or wood panel extending the full width and

depth of the appliance.

Installing Damper Clamp:

Remove all ashes or other debris from the

fireplace. If the fireplace is equipped with an ash

dump be sure to seal the door with furnace

cement or high temperature silicone. Be sure to

check the damper for proper operation and

verify that the flue passageway is open.

Place the clamp over the lip of the damper and

tighten the hold down bold until the clamp is

securely attached to the damper. This will

prevent the damper from accidentally closing.

Manual and millivolt controlled gas logs may be

installed as a vented decorative log set in

compliance with ANSI Z21.11.2-2013 and

Figure 6 – Minimum Clearance Above

Combustible Flooring.

Figure 7 – Minimum Clearance Above

Combustible Flooring with Noncombustible

Material Installed at Base of Fireplace.

Figure 8 - Damper

National Fuel Gas Code. When the gas logs are operated with the damper open, Non-Combustible

material and minimum mantel requirements do not apply.

Note: When installing your log set as a vented installation the damper clamp (Not Provided in hardware)

must be used.

Air Door

Setting the Air Door to the appropriate gas type being supplied to the log set is important, as it improves

the color and appearance of the flame. The Air Door is located on the bottom of the log set heater. So,

you will need to flip it over. I recommend laying a cloth down so that the metal of the burner does not rub

on the floor. You will want to look for an oval shaped cover that has two screws.

You will unscrew this door, revealing a silver cylinder shaped part that has a single screw. The unit comes

preset for Propane, so at first, the screw will be facing towards LP (Liquid Propane).

Air Door

Loosen this screw

Loosen this screw.

Then, with your screwdriver still contacting the screw, slide/rotate the cylinder towards the NG (Natural

Gas) side until it cannot slide any further.

Once done, you will tighten the screw on the cylinder, then seal the air shutter cover again.

For more information please visit our website www.thermablaster.com. You can contact us at

877-670-8428 or via email service@thermablaster.com.

Minimum Firebox Dimensions

Model

A- Front Width

B- Length

C- Rear Width

D- Height

GLDF24M-VF

28”

16”

26”

24”

Log Placement

Ensure that your heater’s logs are placed as shown below. It’s important that your logs do not cover

burner holes, as this can lead to sooting and an overall drop in the performance of your heater. Logs

should be placed sequentially, from lowest to highest, as the numbering indicates. There are grooves on

many of the logs that allow for simple placement and help to prevent the logs from shifting positions.

Remote Control

Thermablaster Remote log sets come with a wireless remote control that is synchronized with the log set

at the factory. This remote has an onboard thermostat that senses the temperature at the location of the

remote. Please consider the location when mounting the remote as this will determine how much heat is

put into the room. The remote can be used adjust the target temperature, gauge current

temperature and turn the log set completely off. For best performance, we recommend that the remote

has a direct line of sight with the log set and is positioned within 10 feet. Please note for safety reasons

you cannot start the log set from the remote. Initial lighting of the logs must be done at the front of the unit.

Once lit the logs will cycle between pilot and burner by using the remote control.

Remote Operation

o Power (Set): Function allows you to only shut off the whole system when depressed

o Clock: Will set the time on the remote control

1. Depress clock button until time is blinking.

2. Use Up (˄) and Down (˅) arrows to set time on the remote control

3. Once hours are set, press the clock button and the minutes field will appear as blinking. Use

the arrows to adjust minutes.

Note: When desired time is set, no further action is necessary

o Up (˄) and Down (˅): These buttons will allow you to set the heat to your desired temperature.

You can also turn on and off the main burner by adjusting temperature.

o Remote control distance: 10m (393.7in).

Set to ℃ or ℉:

 ℃ refers to Centigrade. ℉ refers to Fahrenheit.

 Set the remote control to OFF (the screen will show OFF).

 Press Up (˄) and Down (˅) simultaneously. When the

temperature icon flashes, press Up (˄) or Down (˅) to choose

the temperature unit. The setting will be saved and exit

automatically after a short time, or you can exit immediately

by pressing Clock.

 Default setting: ℉

Power (set) Clock Temp. Up(^) Temp. Down(˅)

Remote Control Synchronization

1. To synchronize the remote control and the gas log heater, keep the remote control on OFF setting

(the screen will show OFF). Simultaneously depress Clock and Down (˅) until the remote control

shows "Cd" on the screen.

2. On the unit’s front control panel, press down the Power Button to turn the unit ON, wait 10 seconds,

then press down the Power Button again to power OFF. The screen will show OFF. Quickly depress

and hold the Burner ON and OFF buttons simultaneously until the screen shows "Cd"

3. Press Clock on the remote control. If the remote control and gas log control shows "Ed"

simultaneously, they are synchronized.

4. Simultaneously depress Down (˅) and Clock on the remote control to exit the synchronization.

5. Now the remote control and gas log control are successfully synchronized.

CONNECTING TO GAS SUPPLY

WARNING: A qualified service technician must connect heater

to gas supply. Follow the heater specification and all local

codes. Wrong gas supply may result improper operation, or damage

on your heater, property or/and personal body.

WARNING: This appliance requires a 3/8-inch UNF (Unified

National Fine) inlet connection to the pressure regulator.

WARNING: Never connect heater to private (non-utility) gas

wells. This gas is commonly known as wellhead gas.

WARNING: Do not over-tighten gas connections.

CAUTION: Use only new, black iron or steel pipe. Internally tinned copper tubing may be used in

certain areas. Check your local codes. Use pipe of 1/2-in. diameter or greater to allow proper gas

volume to heater. If pipe is too small, undue loss of pressure will occur.

NATURAL GAS MODELS:

CAUTION: Check your gas line pressure before connecting heater to gas line. Gas line pressure

must be no greater than 8 inches of water column. If gas line pressure is higher, damage on

appliance regulator could occur.

PROPANE MODELS:

CAUTION: Never connect heater directly to the gas supply. This heater requires an external

regulator (not supplied). Install the external regulator between the heater and gas supply.

CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting into gas

piping and/or fittings.

CAUTION: Use pipe joint sealant that is resistant to gas (Propane or Natural Gas).

IMPORTANT: Install an equipment shutoff valve in an accessible location where the gas pipe goes

Propane/LP

supply tank

External regulator

Figure 9 - External Regulator with Vent Pointing Down

indoors. The equipment shutoff valve is for turning on or shutting off the gas to the appliance. Apply pipe

joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant

in pipe could result in clogged heater valves. The installer must supply an external regulator with nominal

outlet pressure of 11” water column and sufficient flow rates. Install external regulator with the vent

pointing down as shown in Figure 9. Pointing the vent down protects it from freezing rain or sleet. If

flexible gas hose is applied, it should meet the requirements of ANSI/UL569 Standard for Pigtail and

Flexible Hose Connection for LP-Gas. Improper regulator and/or gas hose assembly may occur damage

on your heater, property or/and personal body.

CAUTION: Two gas lines installation at the same time is forbidden. Do not the open cover while

the heater is running.

CAUTION: To avoid gas leakage at the inlet of appliance regulator, a qualified installer or service

technician must use steel or metal hex plug with sealant.

Changing from Liquid Propane to Natural Gas supply:

1. Your heater is equipped with a unique automatic gas source detection and configuration system,

allowing it to perform using both liquid propane and natural gas without any manual conversion.

2. Only a qualified installer or service technician can perform gas type conversion from between liquid

propane and natural gas supply. This is due to the type of connection and installation required

external the heater.

CHECKING GAS CONNECTIONS

WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all

leaks at once.

WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water

to all joints. If bubbles form, there is a leak. Correct all leaks at once.

Pressure Testing Gas Supply Piping System

Test Pressures in Excess of 1/2 PSIG (3.5kPa)

1. Disconnect heater with its appliance main gas valve (control valve) and equipment shutoff valve from

gas supply piping system. Pressures in excess of 1/2 PSIG will damage heater regulator.

2. Cap off open end of gas pipe where equipment shutoff valve was connected.

3. Pressurize supply piping system by either using compressed air or opening gas supply valve.

4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. If

bubbles form, there may be a leak.

5. Correct all leaks at once.

6. Reconnect heater and equipment shutoff valve to gas supply. Check reconnected fittings for leaks.

Test Pressures Equal to or Less Than 1/2 PSIG (3.5 kPa)

1. Close equipment shutoff valve

2. Pressurize supply piping system by either using compressed air or opening natural supply tank valve.

3. Check all joints from gas meter to equipment shutoff valve. Apply mixture of liquid soap and water to

gas joints. If bubbles form, there is a leak.

4. Correct all leaks at once.

Pressure Testing Heater Gas Connections

1. Open equipment shutoff valve.

2. Open gas supply tank valve.

3. Make sure control knob of heater is in the OFF position.

4. Check all joints from equipment shutoff valve to control valve. Apply mixture of liquid soap and water to

gas joints. If bubbles form, there may be a leak.

5. Correct all leaks at once.

UNIT OPERATION

FOR YOUR SAFETY READ BEFORE LIGHTING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing

property damage, personal injury or loss of life.

1. When lighting the pilot, follow these instructions exactly.

2. BEFORE LIGHTING, smell all around the appliance area for gas. Be sure to smell next to the floor

because some gas is heavier than air and will settle on the floor.

3. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in

or turn by hand, don’t try to repair it, call a qualified service technician or gas supplier. Forced or

attempted repair may result in a fire or explosion.

4. Do not use this appliance if any part has been under water. Immediately call a qualified service

technician to inspect the appliance and to replace any part of the control system and any gas control

which has been under water.

WHAT TO DO IF YOU SMELL GAS

 Open the window or door immediately.

 Do not try to light any appliance.

 Do not touch any electric switch, do not use any phone in your building.

 Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

 If you cannot reach your gas supplier, call the fire department.

Thermoelectric Generating System, USB 2.0 Micro Port & Re-Chargeable 15400 Batteries

Two re-chargeable 15400 batteries are included to start the heater. After the heater is running, the

uniquely equipped thermoelectric generating system will power the complete unit, as well as recharge the

batteries if necessary. Furthermore, you will notice an input port on the front of the unit for a USB 2.0

micro port. In case the log set batteries run out of power, you can connect the attached cord with your

smart phone adapter and plug in to a wall socket, then the unit will operate normally.

LIGHTING INSTRUCTIONS

Before Lighting:

1. Make sure the heater is properly installed and connected. Open the external safety shut off valve (not

part of the heater) on gas inlet line to the heater.

2. Wait five (5) minutes to clear out air inside gas lines. Smell if there is any leakage.

IMPORTANT: If you smell any gas, do not try to light any appliances, do not touch electrical

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Thermablaster GLDF24R-VF Operating instructions

Brand: Thermablaster

Model: GLDF24R-VF

Category: Fireplaces

Type: Operating instructions

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Thermablaster GLDF24R-VF Operating instructions

Thermablaster GLDF24R-VF Operating instructions

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